<template>
  <div class="xtx-checkout-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem to="/cart">购物车</XtxBreadItem>
        <XtxBreadItem >填写订单</XtxBreadItem>
      </XtxBread>
      <!-- 订单内容 -->
      <div class="wrapper">
        <!-- 收货地址 -->
        <h3 class="box-title">收货地址</h3>
        <div class="box-body">
          <div class="address">
            <div class="text">
              <!-- <div class="none">您需要先添加收货地址才可提交订单。</div> -->
              <ul>
                <li><span>收<i/>货<i/>人：</span>{{ defAddress.receiver }}</li>
                <li><span>联系方式：</span>{{ defAddress.contact }}</li>
                <li><span>收货地址：</span>{{ defAddress.fullLocation }} {{ defAddress.address }}</li>
              </ul>
              <a href="javascript:;">修改地址</a>
            </div>
            <div class="action">
              <XtxButton class="btn" @click="checkAddressFn">切换地址</XtxButton>
              <XtxButton class="btn" @click="addAddressDialogFn">添加地址</XtxButton>
            </div>
          </div>
        </div>
        <!-- 商品信息 -->
        <h3 class="box-title">商品信息</h3>
        <div class="box-body">
          <table class="goods">
            <thead>
              <tr>
                <th width="520">商品信息</th>
                <th width="170">单价</th>
                <th width="170">数量</th>
                <th width="170">小计</th>
                <th width="170">实付</th>
              </tr>
            </thead>
            <tbody>
              <tr v-for="item in info.goods" :key="item.skuId">
                <td>
                  <a href="javascript:;" class="info">
                    <img :src="item.picture" alt="">
                    <div class="right">
                      <p>{{ item.name }}</p>
                      <p>{{ item.attrsText }}</p>
                    </div>
                  </a>
                </td>
                <td>&yen;{{ item.price }}</td>
                <td>{{ item.count }}</td>
                <td>&yen;{{ item.totalPrice }}</td>
                <td>&yen;{{ item.payPrice }}</td>
              </tr>
            </tbody>
          </table>
        </div>
        <!-- 配送时间 -->
        <h3 class="box-title">配送时间</h3>
        <div class="box-body">
          <a class="my-btn active" href="javascript:;">不限送货时间：周一至周日</a>
          <a class="my-btn" href="javascript:;">工作日送货：周一至周五</a>
          <a class="my-btn" href="javascript:;">双休日、假日送货：周六至周日</a>
        </div>
        <!-- 支付方式 -->
         <h3 class="box-title">支付方式</h3>
        <div class="box-body">
          <a class="my-btn active" href="javascript:;">在线支付</a>
          <a class="my-btn" href="javascript:;">货到付款</a>
          <span style="color:#999">货到付款需付5元手续费</span>
        </div>
        <!-- 金额明细 -->
        <h3 class="box-title">金额明细</h3>
        <div class="box-body" v-if="info.summary">
          <div class="total">
            <dl><dt>商品件数：</dt><dd>{{ info.summary.goodsCount }}件</dd></dl>
            <dl><dt>商品总价：</dt><dd>¥{{ info.summary.totalPrice }}</dd></dl>
            <dl><dt>运<i></i>费：</dt><dd>¥{{ info.summary.postFee }}</dd></dl>
            <dl><dt>应付总额：</dt><dd class="price">¥{{ info.summary.totalPayPrice }}</dd></dl>
          </div>
        </div>
        <!-- 提交订单 -->
        <div class="submit">
          <XtxButton type="primary" @click="updateOrderFn">提交订单</XtxButton>
        </div>
      </div>

      <!-- 添加/编辑地址->对话框(模块框) -->
      <address-edit ref="myAdd" @success="addSuccessFn"></address-edit>

      <!-- 切换地址(对话框) -->
      <!-- 选择收货地址 -->
      <XtxDialog title="选择收货地址" v-model:visible="isShowSelAdd">
        <div class="text item"
        :class="{active: selAddId === '' ? defAddress.id === obj.id  : selAddId === obj.id}"
        v-for="obj in info.userAddresses"
        :key="obj.id"
        @click="selAddId = obj.id">
          <ul>
            <li>
              <span>收<i />货<i />人：</span> {{ obj.receiver }}
            </li>
            <li><span>联系方式：</span>{{ obj.contact }}</li>
            <li><span>收货地址：</span>{{ obj.fullLocation }} {{ obj.address }}</li>
          </ul>
        </div>
        <template #footer>
          <XtxButton type="gray" style="margin-right: 20px"> 取消 </XtxButton>
          <XtxButton type="primary" @click="enterFn"> 确认 </XtxButton>
        </template>
      </XtxDialog>
    </div>
  </div>
</template>
<script>
import { onMounted, ref, computed } from 'vue'
import AddressEdit from './components/addressEdit.vue'
import { getOrderInfoAPI, getAddressListAPI, createOrderAPI } from '@/api'
import { useRouter } from 'vue-router'
export default {
  name: 'XtxOrder',
  components: {
    AddressEdit
  },
  setup () {
    const info = ref({}) // 保存整个页面所有数据对象
    const myAdd = ref(null) // 获取添加地址对话框组件对象
    const isShowSelAdd = ref(false) // 控制切换地址弹框显示/隐藏
    const selAddId = ref('') // 保存点击的那行对象, 收货地址默认的id
    const router = useRouter()

    onMounted(async () => {
      const res = await getOrderInfoAPI()
      console.log(res)
      info.value = res.result
    })

    // 筛选默认收货地址
    const defAddress = computed(() => {
      if (info.value.userAddresses) { // 防止默认上来第一次渲染报错
        if (info.value.userAddresses.length === 0) { // 没有收货地址(userAddresses空数组)
          return {} // 直接返回空的默认对象
        } else {
          const targetObj = info.value.userAddresses.find(obj => {
            return obj.isDefault === 0
          })
          if (targetObj) {
            return targetObj
          } else {
            // 如果没有找到默认地址, 就返回第1个作为默认地址使用
            return info.value.userAddresses[0]
          }
        }
      } else { // 先返回一个空对象(给template第一次渲染)
        return {}
      }
    })

    // 添加地址(点击事件)->对话框出现
    const addAddressDialogFn = () => {
      myAdd.value.open()
    }

    // 成功添加新的地址/修改地址后, 要从后台重新获取此用户的最新收货地址列表
    const addSuccessFn = async () => {
      const res = await getAddressListAPI()
      info.value.userAddresses = res.result // 把新的地址覆盖替换进info对象里
    }

    // 切换地址->点击事件->对话框出现
    const checkAddressFn = () => {
      selAddId.value = '' // 清除上一次选择的id值
      isShowSelAdd.value = true
    }
    // 确定选择了收货地址
    const enterFn = () => {
      // 用选择那行收货地址id, 去info对应数组里找到目标对象
      const target = info.value.userAddresses.find(obj => obj.id === selAddId.value)
      // 把此收货地址对象的isDefault改成0
      target.isDefault = 0
      isShowSelAdd.value = false
    }

    // 提交订单按钮->点击事件(生成订单id)
    const updateOrderFn = async () => {
      const res = await createOrderAPI({
        deliveryTimeType: 1, // 配送时间
        payType: 1, // 支付方式(1在线支付)
        payChannel: 1, // 支付宝
        buyerMessage: '留言',
        goods: info.value.goods.map(obj => ({
          skuId: obj.skuId,
          count: obj.count
        })),
        addressId: selAddId.value === '' ? defAddress.value.id : selAddId.value
      })

      router.push(`/user/pay?id=${res.result.id}`)
    }
    return {
      defAddress,
      info,
      addAddressDialogFn,
      myAdd,
      isShowSelAdd,
      checkAddressFn,
      selAddId,
      addSuccessFn,
      enterFn,
      updateOrderFn
    }
  }
}
</script>
<style scoped lang="less">
.xtx-checkout-page {
  .wrapper {
    background: #fff;
    padding: 0 20px;
    .box-title {
      font-size: 16px;
      font-weight: normal;
      padding-left: 10px;
      line-height: 70px;
      border-bottom: 1px solid #f5f5f5;
    }
    .box-body {
      padding: 20px 0;
    }
  }
}
.address {
  border: 1px solid #f5f5f5;
  display: flex;
  align-items: center;
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    .none {
      line-height: 90px;
      color: #999;
      text-align: center;
      width: 100%;
    }
    > ul {
      flex: 1;
      padding: 20px;
      li {
        line-height: 30px;
        span {
          color: #999;
          margin-right: 5px;
          > i {
            width: 0.5em;
            display: inline-block;
          }
        }
      }
    }
    > a {
      color: var(--xtx-color);
      width: 160px;
      text-align: center;
      height: 90px;
      line-height: 90px;
      border-right: 1px solid #f5f5f5;
    }
  }
  .action {
    width: 420px;
    text-align: center;
    .btn {
      width: 140px;
      height: 46px;
      line-height: 44px;
      font-size: 14px;
      &:first-child {
        margin-right: 10px;
      }
    }
  }
}
.goods {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  .info {
    display: flex;
    text-align: left;
    img {
      width: 70px;
      height: 70px;
      margin-right: 20px;
    }
    .right {
      line-height: 24px;
      p {
        &:last-child {
          color: #999;
        }
      }
    }
  }
  tr {
    th {
      background: #f5f5f5;
      font-weight: normal;
    }
    td,th {
      text-align: center;
      padding: 20px;
      border-bottom: 1px solid #f5f5f5;
      &:first-child {
        border-left: 1px solid #f5f5f5;
      }
      &:last-child {
        border-right: 1px solid #f5f5f5;
      }
    }
  }
}
.my-btn {
  width: 228px;
  height: 50px;
  border: 1px solid #e4e4e4;
  text-align: center;
  line-height: 48px;
  margin-right: 25px;
  color: #666666;
  display: inline-block;
  &.active,&:hover {
    border-color: var(--xtx-color);
  }
}
.total {
  dl {
    display: flex;
    justify-content: flex-end;
    line-height: 50px;
    dt {
      i {
        display: inline-block;
        width: 2em;
      }
    }
    dd {
      width: 240px;
      text-align: right;
      padding-right: 70px;
      &.price {
        font-size: 20px;
        color: var(--price-color);
      }
    }
  }
}
.submit {
  text-align: right;
  padding: 60px;
  border-top: 1px solid #f5f5f5;
}
.xtx-dialog {
  :deep(.wrapper) {
    max-height: 100%;
    overflow-y: auto;
    .body {
      font-size: 14px;
    }
  }
  .text {
    flex: 1;
    min-height: 90px;
    display: flex;
    align-items: center;
    &.item {
      border: 1px solid #f5f5f5;
      margin-bottom: 10px;
      cursor: pointer;
      &.active,
      &:hover {
        border-color: var(--xtx-color);
        background: lighten(#3eaf7c, 50%);
      }
      > ul {
        padding: 10px;
        font-size: 14px;
        line-height: 30px;
        i {
          width: 0.5em;
          display: inline-block;
        }
      }
    }
  }
}
</style>
